Injury causation factor | Male players | Female players | ||||||
---|---|---|---|---|---|---|---|---|
Incidence (95% CI) | Incidence ratio(95% CI) | p Value(z test) | Incidence (95% CI) | Incidence ratio(95% CI) | p Value (z test) | |||
Artificial turf | Grass | Artificial turf | Grass | |||||
Nature of onset | ||||||||
Acute | 2.92 (2.51 to 3.40) | 2.63 (2.42 to 2.86) | 1.11 (0.93 to 1.32) | 0.24 | 1.94 (1.58 to 2.38) | 2.23 (2.05 to 2.43) | 0.87 (0.69 to 1.08) | 0.21 |
Gradual | 0.39 (0.26 to 0.59) | 0.37 (0.29 to 0.46) | 1.06 (0.66 to 1.70) | 0.81 | 0.51 (0.34 to 0.76) | 0.53 (0.45 to 0.63) | 0.96 (0.62 to 1.49) | 0.86 |
Cause of onset | ||||||||
Contact with player | 1.08 (0.84 to 1.39) | 0.85 (0.73 to 0.98) | 1.27 (0.95 to 1.70) | 0.10 | 0.47 (0.31 to 0.71) | 0.56 (0.47 to 0.66) | 0.84 (0.54 to 1.32) | 0.45 |
Contact with surface | 0.28 (0.17 to 0.46) | 0.26 (0.20 to 0.34) | 1.08 (0.62 to 1.88) | 0.80 | 0.40 (0.26 to 0.63) | 0.32 (0.26 to 0.40) | 1.26 (0.76 to 2.08) | 0.37 |
Contact with object/ball | 0.32 (0.20 to 0.51) | 0.33 (0.26 to 0.41) | 0.98 (0.58 to 1.64) | 0.94 | 0.32 (0.19 to 0.53) | 0.33 (0.26 to 0.41) | 0.98 (0.56 to 1.71) | 0.94 |
Non-contact | 1.61 (1.31 to 1.98) | 1.56 (1.40 to 1.74) | 1.03 (0.82 to 1.30) | 0.80 | 1.26 (0.97 to 1.62) | 1.56 (1.41 to 1.73) | 0.81 (0.61 to 1.06) | 0.12 |